Senior Full Stack Engineer — Ruby on Rails + React/TypeScript

Candidate’s Location: European Union (EU)

Format: Remote

Employment Contract: B2B

Salary Range: To be discussed during the interview

We're looking for a Senior Full Stack Engineer to join an established international B2B SaaS product company.

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✍️ What you'll work on:

- Build features across the stack using Ruby on Rails and React/TypeScript

- Build and evolve GraphQL APIs

- Develop and maintain integrations with third-party platforms

- Own features end-to-end: from technical and product decisions to release and production

- Take part in architecture and refactoring decisions

- Work with a mature production system and help it grow

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👀 What we're looking for:

- Strong commercial experience with Ruby on Rails

- Strong React + TypeScript

- Solid PostgreSQL knowledge, including schema design and query optimization

- Hands-on experience building and working with GraphQL

- Experience integrating third-party APIs

- Strong engineering practices: testing, code reviews and documentation

- Ability to take ownership and work independently in a distributed team

- Languages:

English - B2, used for documentation, tickets and company-wide communication

Russian — fluent, used for day-to-day communication within the engineering team

👍 Nice to have:

Go, Sidekiq or similar background job systems, experience breaking down monolithic applications into services, feature flags, OAuth and social media API integrations.

✅ What we offer:

- Flexible working hours

- 28 days of paid vacation

- Regular performance and compensation reviews

International B2B SaaS product

- Strong product and engineering team

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Hiring process: Recruiter intro → 3 interviews with the team → offer